Chemistry, 01.07.2021 16:30 arianaguerin
A substance x has a mass of 0,20g and molecular mass of 40g/mol. Find the number of moles of substance x.β
Answers: 3
Chemistry, 22.06.2019 05:30
Liv sheldon given the balanced equation for an organic reaction: c2h2 + 2cl2 β c2h2cl4 this reaction is best classified as *
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Chemistry, 22.06.2019 08:30
For each of the compounds below, show that the charges on the ions add up to zero. a. kbr b. cao c. li(2)o d. cacl(2) e. alcl(3)
Answers: 2
Chemistry, 22.06.2019 11:30
If we compare and contrast electromagnetic waves with sound waves, all but one statement is true. that is a) sound waves require a medium to travel while electromagnetic waves do not. b) electromagnetic waves can travel through the vacuum of space while sound waves cannot. c) electromagnetic waves must have a medium in which to travel, but sound waves can travel anywhere. eliminate d) sound waves must bounce off of matter in order to travel while electromagnetic waves do not require matter to be present.
Answers: 3
Chemistry, 22.06.2019 18:10
Consider the following reaction at equilibrium: c(s)+h2o(g)βco(g)+h2(g) predict whether the reaction will shift left, shift right, or remain unchanged upon each of the following disturbances. a) c is added to the reaction mixture. b) h2ois condensed and removed from the reaction mixture c) co is added to the reaction mixture d) h2 is removed from the reaction mixture.
Answers: 3
A substance x has a mass of 0,20g and molecular mass of 40g/mol. Find the number of moles of substan...
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